Matrices

Edit Answers
12345678910
Across
  1. 4. rectangular array of numbers, enclosed by brackets.
  2. 5. value calculated from the entries (or numbers) of a square matrix that provides information about the inverse of the matrix and the system of linear equations associated with the matrix.
  3. 6. If diagonal elements are equal, that is a square matrix.
  4. 7. A square matrix if all it's non diagonal elements are zero.
  5. 9. numbers of rows and columns of a matrix written in the form mxn, where m is the number of rows and n is the number of columns.
  6. 10. for a square martix A, the matrix A-1, such that A.A-1 = A-1.A = I, where I is the identity matrix.
Down
  1. 1. If all elements are zero.
  2. 2. A matrix in which the number of rows are equal to the number of columns.
  3. 3. A matrix which has only one column.
  4. 8. A matrix which has only one row.